Also, “machine learning” and “deep learning” are just other terms for neural network systems, which are good for a few specific tasks but are not a general arch

Also, “machine learning” and “deep learning” are just other terms for neural network systems, which are good for a few specific tasks but are not a general architecture by any means. Symbolic AI of the sort for which Lisp Machines were originally created is still extremely important as something is needed to provide “executive function” in intelligent systems.